2027 Trek X-Caliber Frameset vs 2027 Specialized Epic Hardtail Comp SRAM 70, RockShox REBA
The XL is the Specialized Epic Hardtail Comp SRAM 70, RockShox REBA size closest to your XXL Trek X-Caliber Frameset. We match frame stack and reach. This is a geometry comparison, not a fit recommendation; stem, spacers, handlebars and saddle setup also affect your riding position.
What changes on the Specialized Epic Hardtail Comp SRAM 70, RockShox REBA
Compared with the Trek X-Caliber Frameset in XXL, the Specialized Epic Hardtail Comp SRAM 70, RockShox REBA in XL places the top of the head tube 9 mm higher and about as far forward, relative to the bottom bracket. Its wheelbase is 3 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- +9 mm
- Higher front end
- Frame reach
- ±0 mm
- About the same reach
- Wheelbase
- −3 mm
- Shorter: quicker to change direction
- Head angle
- −1.0°
- Slacker: calmer steering
- Chainstays
- −8 mm
- Shorter: livelier
The two frames
Trek X-Caliber Frameset, XXLSpecialized Epic Hardtail Comp SRAM 70, RockShox REBA, XLDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Trek X-Caliber Frameset XXL | Specialized Epic Hardtail Comp SRAM 70, RockShox REBA XL | Difference |
|---|---|---|---|
| Reach | 480 | 480mm | ±0 mm |
| Stack | 627 | 636mm | +9 mm |
| Head tube angle | 69.5° | 68.5° | −1.0° |
| Seat tube angle | 73.0° | 74° | +1.0° |
| Effective top tube | 672 | 662mm | −10 mm |
| Chainstay length | 438 | 430mm | −8 mm |
| Wheelbase | 1181 | 1178mm | −3 mm |
| BB drop | 58 | 63mm | +5 mm |
| BB height | 311 | 309mm | −2 mm |
| Standover | 804 | 847mm | +43 mm |
| Seat tube length | 559 | 520mm | −39 mm |
| Head tube length | 120 | 125mm | +5 mm |
| Fork length | not listed | 506mm |
Differences are the Specialized Epic Hardtail Comp SRAM 70, RockShox REBA minus the Trek X-Caliber Frameset. Full charts: 2027 Trek X-Caliber Frameset, 2027 Specialized Epic Hardtail Comp SRAM 70, RockShox REBA.
Where each sits in its class
Trek X-Caliber FramesetSpecialized Epic Hardtail Comp SRAM 70, RockShox REBA
Each bike is ranked against the other XC bikes on Quiver, on frame geometry alone. Not your hand position or ride feel.
What each ships with
The stock build of each bike's first listed trim. Parts that match are dimmed.
| Part | Trek X-Caliber Frameset | Specialized Epic Hardtail Comp SRAM 70, RockShox REBAHardtail Comp - SRAM Eagle 70, RockShox REBA |
|---|---|---|
| Fork | not listed | RockShox Reba |
| Derailleur | not listed | SRAM Eagle 70 Transmission |
| Chain | not listed | SRAM Transmission |
| Bottom bracket | not listed | SRAM DUB |
| Tire | not listed | Specialized Fast Trak, Specialized Air Trak |
| Brake | not listed | SRAM DB4 |
| Handlebar | not listed | Specialized Mini Rise |
| Saddle | not listed | Specialized Power Comp |
Know what is on every bike.
Add your bike to Quiver. Keep its parts, setup, and service history together, then share your build.
Explore the app
